Arata Kagami is a central character in the tokusatsu series 'Kamen Rider Kabuto.' Serving as Kamen Rider Gatack, he is a member of ZECT, an organization fighting against the alien Worms threatening humanity. Kagami is known for his strong sense of justice, determination, and loyalty to his friends, especially to the protagonist, Souji Tendou. As Kamen Rider Gatack, he often struggles with his own self-doubt but continuously strives to become stronger and protect those around him, making him a vital ally in the battle against evil.